One example of a system includes a receptacle including a plurality of bays. Each bay of the receptacle supports 1-lane of network communications. The receptacle is to connect to a multi-lane optical cable to provide a multi-lane port or connect to a plurality of 1-lane optical cables to provide a plurality of 1-lane ports.

The invention relates to a distribution frame device (1) for communications and data technology for switching over at least one electrical subscriber line (2) from a first service to a second service, wherein the distribution frame device (1) has a connection technology (3) for the electrical subscriber lines (2), a connection technology (4) for the electrical lines (5) of the first service and a connection technology (6) for optical fibres of the second service, wherein the distribution frame device (1) further has an active technology with at least one converter (14) for converting optical signals into electrical signals and vice versa for the second service, wherein a connection for optical fibres and a connection for electrical lines are associated with the at least one converter (14), wherein the distribution frame device (1) has means by means of which the connection technology (3) of the subscribers can selectively be connected to the connection technology (4) of the first service or to the associated electrical connection of the converter (14).

The present disclosure describes a service optical signal transmission method, a network device, and an optical network. A network device includes a light source module. The light source module is connected to a plurality of wavelength selection modules. Each of the plurality of wavelength selection modules is connected to a respective first optical transceiver, and different wavelength selection modules are connected to different first optical transceivers. The light source module transmits M first optical signals to each of the plurality of wavelength selection modules, where M is a positive integer greater than 1. Each of the plurality of wavelength selection modules transmits K second optical signals to the respective first optical transceiver, where K is a positive integer less than or equal to M. The respective first optical transceiver modulates a service electrical signal on each of the K second optical signals to output K service optical signals.

An object of the present invention is to provide an optical switch element, an optical switch device, an optical communication system, and an optical computer capable of operating even in a temperature range higher than the N?el temperature. An optical switch element (10) according to the present invention includes a substance including a plurality of transition metal elements having electrons in d-orbitals, and a plurality of anions arranged around each of the plurality of transition metal elements, in which the plurality of transition metal elements are arranged in a lattice form, t.sub.2g-orbitals into which the d-orbitals of each of the plurality of transition metal elements are split are connected annularly, and in a state in which the substance does not have a long-range magnetic order, the polarization of signal light (L1) is rotated when control light (C1) is applied.

A photonic interconnection elementary switch is integrated in an optoelectronic chip/The switch includes first and second linear optical waveguides which intersect to form a first intersection. Two first photonic redirect ring resonators are respectively coupled to the first and second optical waveguides. Two second photonic redirect ring resonators are respectively coupled to the first and second optical waveguides. A third linear optical waveguide is coupled to one of the first ring resonators and one of the second ring resonators. A fourth linear optical waveguide is coupled to another of the first resonators and to another of the second ring resonators. A base switch, complex switch, and photonic interconnection network integrated in an optoelectronic chip, include at least two of the photonic interconnection elementary switches.

The invention relates to a distribution frame device (1) for communications and data technology for switching over at least one electrical subscriber line (2) from a first service to a second service, wherein the distribution frame device (1) has a connection technology (3) for the electrical subscriber lines (2), a connection technology (4) for the electrical lines (5) of the first service and a connection technology (6) for optical fibers of the second service, wherein the distribution frame device (1) further has an active technology with at least one converter (14) for converting optical signals into electrical signals and vice versa for the second service, wherein a connection for optical fibers and a connection for electrical lines are associated with the at least one converter (14), wherein the distribution frame device (1) has means by means of which the connection technology (3) of the subscribers can selectively be connected to the connection technology (4) of the first service or to the associated electrical connection of the converter (14).

A cascading selective microwave switch (cascade) includes a set of Josephson devices, each Josephson device in the set having a corresponding operating bandwidth of microwave frequencies, wherein different operating bandwidths have different corresponding center frequencies. A series coupling is formed between first Josephson device from the set and an n.sup.th Josephson device from the set. the series coupling causes the first Josephson device in an open state to reflect back to an input port of the first Josephson device a signal of a first frequency from a frequency multiplexed microwave signal (multiplexed signal) and the n.sup.th Josephson device in a closed state to transmit a signal of an n.sup.th frequency in the multiplexed signal from an input port of the n.sup.th Josephson device to an output port of the n.sup.th Josephson device.

An elementary photonic interconnect switch is integrated into an optoelectronic chip and includes four simple photonic interconnect switches. Each simple photonic interconnect switch has two optical waveguides that cross and are linked by a ring resonator having one ring. A basic photonic interconnect switch, a complex photonic interconnect switch and/or a photonic interconnect network are integrated into an optoelectronic chip and including at least two elementary photonic interconnect switches.

A cascading selective microwave switch (cascade) includes a set of Josephson devices, each Josephson device in the set having a corresponding operating bandwidth of microwave frequencies, wherein different operating bandwidths have different corresponding center frequencies. A series coupling is formed between first Josephson device from the set and an n.sup.th Josephson device from the set. the series coupling causes the first Josephson device in an open state to reflect back to an input port of the first Josephson device a signal of a first frequency from a frequency multiplexed microwave signal (multiplexed signal) and the n.sup.th Josephson device in a closed state to transmit a signal of an n.sup.th frequency in the multiplexed signal from an input port of the n.sup.th Josephson device to an output port of the n.sup.th Josephson device.

A photonic interconnection elementary switch is integrated in an optoelectronic chip/The switch includes first and second linear optical waveguides which intersect to form a first intersection. Two first photonic redirect ring resonators are respectively coupled to the first and second optical waveguides. Two second photonic redirect ring resonators are respectively coupled to the first and second optical waveguides. A third linear optical waveguide is coupled to one of the first ring resonators and one of the second ring resonators. A fourth linear optical waveguide is coupled to another of the first resonators and to another of the second ring resonators. A base switch, complex switch, and photonic interconnection network integrated in an optoelectronic chip, include at least two of the photonic interconnection elementary switches.